A drug or device that prevents pregnancy by interfering with the implantation of an embryo in the uterus.
Pertaining to the coordination, joining, and interaction or interference of a moving object with another (moving or stationary) object.
Pertaining to the interruption of a trajectory or course of development to stop it or divert it to a new trajectory or course of development, as opposed to correction after the fact.
(more specifically) Pertaining to the prevention of pregnancy by interfering with the implantation of the embryo in the uterus.
Pertaining to the approach and destruction of an attacking enemy force.